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Published on: March 23, 2019
Gait changes in children with spastic diplegia after selective dorsal rhizotomy
S S Thomas1, M D Aiona, R Pierce
1Shriners Hospital for Crippled Children, Portland Unit, OR 97201, USA.
Insights
Selective dorsal rhizotomy significantly reduces spasticity and improves range of motion in children with spastic diplegia. This surgical procedure enhances gait parameters, including velocity and stride length, for improved mobility.
Area of Science:
- Neurology
- Orthopedic Surgery
- Pediatric Rehabilitation
Background:
- Spastic diplegia is a form of cerebral palsy characterized by increased muscle tone and stiffness in the lower extremities.
- Limited range of motion and impaired gait significantly affect the functional mobility and quality of life in affected children.
Purpose of the Study:
- To evaluate the effectiveness of selective dorsal rhizotomy in improving spasticity, range of motion, and gait parameters in ambulatory children with spastic diplegia.
- To analyze the impact of the procedure on both independent and dependent ambulators separately.
Main Methods:
- A cohort of 26 ambulatory children with spastic diplegia underwent preoperative and 1-year postoperative assessments.
- Evaluations included spasticity, passive range of motion, tone, 3D motion analysis, and electromyography.
- Data were analyzed separately for independent and dependent ambulators.
Main Results:
- A significant decrease in lower extremity spasticity was observed in all participants.
- Passive range of motion increased at the hip for both independent and dependent ambulators.
- Independent ambulators showed increased gait velocity and stride length. Dependent ambulators demonstrated improved hip extension, while both groups exhibited better knee extension and dorsiflexion during stance.
Conclusions:
- Selective dorsal rhizotomy is an effective intervention for reducing spasticity in children with spastic diplegia.
- The procedure leads to improvements in both passive and dynamic range of motion, positively impacting gait parameters and functional mobility.
Abstract:
Twenty-six ambulatory children underwent preoperative and 1-year postoperative assessments after selective dorsal rhizotomy. These included spasticity, passive range of motion, tone, three-dimensional motion analysis, and electromyography. Independent and dependent ambulators were evaluated separately. A decrease in spasticity was found in all lower extremity muscle groups. An increase in passive range of motion was found only at the hip for both independent and dependent ambulators. Gait changes included increases in velocity and stride length in the independent ambulators. An improvement in hip extension during stance was found in the dependent ambulators only; however, an increase in knee extension and dorsiflexion in stance were seen in both groups. Selective dorsal rhizotomy improves both passive and dynamic range of motion in children with spastic diplegia.

